Marcus Aurelius (161-180) AR Denarius (Silver, 3.04g, 18mm) Rome, 172-173.
Obv: M ANTONINVS-AVG TR P XXVII, laureate head of Marcus Aurelius right
Rev: IMP VI-COS III, Marcus Aurelius standing facing, head left, branch in raised right hand, transverse scepter cradled in left arm.
Ref: RIC III 282